The most authoritative answer in 2024
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Lucas Turner——Works at the International Organization for Migration, Lives in Geneva, Switzerland.
Ventricular fibrillation is a
serious and
potentially life-threatening condition where the ventricles of the heart quiver or "fibrillate" instead of contracting to pump blood effectively. It is a type of
sudden cardiac arrest. The term "pea" does not relate to medical conditions and seems to be a misunderstanding or a typo. If you meant "pacemaker," a pacemaker is a medical device that helps regulate heart rhythm, but it is not a form of ventricular fibrillation.
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Ethan Wilson——Works at the International Telecommunication Union, Lives in Geneva, Switzerland.
Pulseless electrical activity, or
PEA, is a common occurrence during arrest situations. ... In other pulseless rhythms, such as
ventricular fibrillation and pulseless ventricular tachycardia, shocks are advised, but defibrillation will do nothing to help the patient in
PEA.
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